Ethane - Thermophysical Properties

Thermophysical properties of Ethane (C2H6) including molecular weight, density, viscosity, specific heat, thermal conductivity, critical parameters, and combustion properties at standard conditions and varying temperature and pressure.

PropertyValueUnit
Molecular Weight30.07g/mol
Specific Gravity (air = 1)1.047-
Density of liquid at boiling point34.1 / 546.49lb/ft³ / kg/m³
Absolute Viscosity6.4×10⁻⁶ / 0.0094lbm/ft·s / cP
Sound velocity in gas316m/s
Specific Heat (cp)0.41 / 1715Btu/lb·°F / J/kg·K
Specific Heat Ratio (cp/cv)1.2-
Gas constant (R)51.4 / 276ft·lb/lb·°R / J/kg·°C
Thermal Conductivity0.010 / 0.017Btu/hr·ft·°F / W/m·°C
Boiling Point (at 1 atm)-127 / -88.3°F / °C
Latent Heat of Evaporation210 / 488000Btu/lb / J/kg
Melting Point (at 1 atm)-278 / -172.2°F / °C
Latent Heat of Fusion41 / 95300Btu/lb / J/kg
Critical Temperature90.1 / 32.2°F / °C
Critical Pressure709 / 4.89psia / MN/m²
Critical Volume0.076 / 0.0047ft³/lb / m³/kg
FlammableYes-
Heat of Combustion22300 / 51800Btu/lb / kJ/kg
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Results

Molecular Weight-- g/mol
Specific Gravity (air = 1)-- -
Specific Heat (cp)-- J/kg·K
Thermal Conductivity-- W/m·°C
Critical Temperature-- °C
Critical Pressure-- MN/m²